20947055690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4428553}}^1$

素因数の和:4428614

約数の個数: 32

約数和(自身を含む): 42088977216

約数和(自身を除く): 21141921526

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 4428553, 8857106, 22142765, 44285530, 48714083, 97428166, 190427779, 243570415, 380855558, 487140830, 952138895, 1904277790, 2094705569, 4189411138, 10473527845, 20947055690]

約数ペア:

[(1, 20947055690), (2, 10473527845), (5, 4189411138), (10, 2094705569), (11, 1904277790), (22, 952138895), (43, 487140830), (55, 380855558), (86, 243570415), (110, 190427779), (215, 97428166), (430, 48714083), (473, 44285530), (946, 22142765), (2365, 8857106), (4730, 4428553)]